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| author | Jakub Jelinek <jakub@redhat.com> | 2009-01-09 21:03:37 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-01-09 21:03:37 +0100 |
| commit | c9da2ae8abcb55f016788007ed70f73c39775397 (patch) | |
| tree | 9a81b9ec0c64137a909247d58cbe74b2f17f78d7 /gcc | |
| parent | a174c19c0f7cecdb87f8da952d2fb916dfd7872c (diff) | |
| download | gcc-c9da2ae8abcb55f016788007ed70f73c39775397.zip gcc-c9da2ae8abcb55f016788007ed70f73c39775397.tar.gz gcc-c9da2ae8abcb55f016788007ed70f73c39775397.tar.bz2 | |
i386.c (ix86_expand_movmem, [...]): Add zero guard even if align_bytes != 0 and count is smaller than size_needed.
* config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
zero guard even if align_bytes != 0 and count is smaller than
size_needed.
From-SVN: r143229
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d7cebcf..0f0331a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-01-09 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add + zero guard even if align_bytes != 0 and count is smaller than + size_needed. + 2008-01-09 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/38495 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index f44667f..b5fea23 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -17720,7 +17720,7 @@ ix86_expand_movmem (rtx dst, rtx src, rtx count_exp, rtx align_exp, count -= align_bytes; } if (need_zero_guard - && (!count + && (count < (unsigned HOST_WIDE_INT) size_needed || (align_bytes == 0 && count < ((unsigned HOST_WIDE_INT) size_needed + desired_align - align)))) @@ -18112,7 +18112,7 @@ ix86_expand_setmem (rtx dst, rtx count_exp, rtx val_exp, rtx align_exp, count -= align_bytes; } if (need_zero_guard - && (!count + && (count < (unsigned HOST_WIDE_INT) size_needed || (align_bytes == 0 && count < ((unsigned HOST_WIDE_INT) size_needed + desired_align - align)))) |